An obligate parasite, or holoparasite, is a parasitic organism that cannot complete its life-cycle without exploiting a suitable host.
Part of the Andes mountain range, Aconcagua is the second highest of the Seven Summits, behind only Mount Everest in Asia. At 22,837 feet (6,961 meters), not only is it the highest mountain in South America, it is the tallest peak in all of the Americas as well as the Southern and Western Hemispheres.
The highest mountain above sea level on Earth is Mount Everes â¦ t (on the border of Nepal and Tibet) at 29,029 feet; but the tallest mountain on Earth is Mauna Kea in Hawaii. From where it starts under the ocean to its very peak it is 33,465 feet tall.